diff --git a/PHP/CodeCoverage/Report/Node.php b/PHP/CodeCoverage/Report/Node.php
index c6322a559..13500e8ba 100644
--- a/PHP/CodeCoverage/Report/Node.php
+++ b/PHP/CodeCoverage/Report/Node.php
@@ -136,7 +136,9 @@ public function getId()
     public function getPath()
     {
         if ($this->path === NULL) {
-            if ($this->parent === NULL) {
+            if ($this->parent === NULL ||
+                $this->parent->getPath() == NULL
+                    ) {
                 $this->path = $this->name;
             } else {
                 $this->path = $this->parent->getPath() . '/' . $this->name;